Bennington sits next to 4 phonetic neighbors — Wellington, Remington, and Pennington are the closest matches by sound. Most share Bennington's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Settlement of Beonna; from Benna village"
"not madness, alyssum flower"
"lord of the marches, borderlands nobleman"
"Waterfall or cascade"
"Brave, courageous, showing great valor"
"illustrious, shining"
"wisdom, knowledge, sound judgment"
"small spring, place of the small spring"
"the king"
"his gift"
"from the burnt town or settlement"
Similar sound: These names share phonetic patterns with Bennington — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Bennington.
Rhythm: Bennington is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.